Undefeated ladder leader Macedon may have defeated lowly Lancefield by 94 points on Saturday, but the win came at a cost.
Top recruit Matt Dick sustained a hamstring injury late in the match, and could be out until the end of July.
Last season Macedon was hit hard by injuries to key players, and will be doing everything possible to ensure a full list is available at finals time.
Ten wins from 10 games and two games plus percentage clear from their nearest rivals, the Cats can virtually wrap up top spot if they win at Diggers Rest on Saturday.
Coach Jeff Andrews admits his side squandered plenty of chances for an every bigger win against the visiting Tigers, and cannot afford this luxury against against the top sides.
Key forward Matt Knox (ankle) and Jack Mills (shoulder) may be available, but ace utility player Dan Markworth is overseas.
Macedon simply had too much class for Lancefield, taking control in the second term with eight goals to nil, but the Tigers deserve credit for fighting the game right out.
At the last break, Tigers' coach Cam Wight called on his players to make sure they avoided defeat by 100 points , and they responded, with Nathan Malone scoring his second goal after a strong tackle late in the game.
Macedon kicked only five goals in the second half, an uncharacteristic result for the side this season.
The Tigers were all clear on the injury list after the game, and are at home on Saturday to a rampant Riddell out to make it six wins on a row.
The Bombers lifted their percentage with an 83-point margin against Melton Centrals (16.16 to 4.7), and are intent on securing a finals berth.
Seventh-placed Romsey received a shock when Rockbank kicked four goals to lead at the first break. The Redbacks regained their poise to take control for a 18.20 to 5.4 margin.
Mercurial young forward-utility Aaron Paterson was in fine form with a career-best seven goals, and another Redbacks' scoring spree is anticipated on Saturday at Broadford.
The big shock came when Rupertswood led throughout to thrash reigning premier Diggers Rest 17.11 to 6.9, adding another twist to the finals battle.
Woodend-Hesket was within nine points of Sunbury Kangaroos at three quarter time, but failed to score in the last term as the home side won by eight goals - 15.9 to 7.9.
Wallan thrashed a struggling Broadford 19.25 to 4.8 in the remaining match.
A rare occurrence in Riddell League netball on Saturday was Woodend-Hesket's victories in all four grades.
Macedon also had all its teams on the winning list
A grade: Macedon 45 d Lancefield 33, Melton Centrals 58 d Riddell 45, Romsey 47 d Rockbank 26, Rupertswood 60 d Diggers Rest 45,Woodend-Hesket 67 d Sunbury Kangaroos 29.
Current ladder: Macedon 40, Romsey 36, Lancefield 28, Rupertswood 28, Melton Centrals 24, Diggers Rest 20, Riddell 16, Woodend-Hesket 4, Rockbank 4, Kangaroos 0.
B grade: Macedon 38 d Lancefield 34, Wallan 34 d Broadford 20, Riddell 29 d Melton Centrals 31, Romsey 32 d Rockbank 21, Woodend-Hesket 39 d Kangaroos 35.
C grade: Macedon 36 d Lancefield 19, Woodend-Hesket 40 d Kangaroos 29, Melton Centrals 22 d Riddell 18, Broadford 30 d Wallan 14, Rockbank 32 d Romsey 23.
Under 19: Woodend-Hesket 47 d Kangaroos 12, Rockbank 37 d Romsey 28, Melton Centrals 22 d Riddell 9, Macedon 36 d Lancefield 17, Broadford 19 tied with Wallan 19.